public virtual void TestOffSwitchSchedulingMultiLevelQueues()
{
// Setup queue configs
SetupMultiLevelQueues(csConf);
//B3
IDictionary <string, CSQueue> queues = new Dictionary <string, CSQueue>();
CSQueue root = CapacityScheduler.ParseQueue(csContext, csConf, null, CapacitySchedulerConfiguration
.Root, queues, queues, TestUtils.spyHook);
// Setup some nodes
int memoryPerNode = 10;
int coresPerNode = 10;
int numNodes = 2;
FiCaSchedulerNode node_0 = TestUtils.GetMockNode("host_0", DefaultRack, 0, memoryPerNode
* Gb);
FiCaSchedulerNode node_1 = TestUtils.GetMockNode("host_1", DefaultRack, 0, memoryPerNode
* Gb);
Org.Apache.Hadoop.Yarn.Api.Records.Resource clusterResource = Resources.CreateResource
(numNodes * (memoryPerNode * Gb), numNodes * coresPerNode);
Org.Mockito.Mockito.When(csContext.GetNumClusterNodes()).ThenReturn(numNodes);
// Start testing
LeafQueue b3 = (LeafQueue)queues[B3];
LeafQueue b2 = (LeafQueue)queues[B2];
// Simulate B3 returning a container on node_0
StubQueueAllocation(b2, clusterResource, node_0, 0 * Gb, NodeType.OffSwitch);
StubQueueAllocation(b3, clusterResource, node_0, 1 * Gb, NodeType.OffSwitch);
root.AssignContainers(clusterResource, node_0, new ResourceLimits(clusterResource
));
VerifyQueueMetrics(b2, 0 * Gb, clusterResource);
VerifyQueueMetrics(b3, 1 * Gb, clusterResource);
// Now, B2 should get the scheduling opportunity since B2=0G/2G, B3=1G/7G
// also, B3 gets a scheduling opportunity since B2 allocates RACK_LOCAL
StubQueueAllocation(b2, clusterResource, node_1, 1 * Gb, NodeType.RackLocal);
StubQueueAllocation(b3, clusterResource, node_1, 1 * Gb, NodeType.OffSwitch);
root.AssignContainers(clusterResource, node_1, new ResourceLimits(clusterResource
));
InOrder allocationOrder = Org.Mockito.Mockito.InOrder(b2, b3);
allocationOrder.Verify(b2).AssignContainers(Matchers.Eq(clusterResource), Matchers.Any
<FiCaSchedulerNode>(), AnyResourceLimits());
allocationOrder.Verify(b3).AssignContainers(Matchers.Eq(clusterResource), Matchers.Any
<FiCaSchedulerNode>(), AnyResourceLimits());
VerifyQueueMetrics(b2, 1 * Gb, clusterResource);
VerifyQueueMetrics(b3, 2 * Gb, clusterResource);
// Now, B3 should get the scheduling opportunity
// since B2 has 1/2G while B3 has 2/7G,
// However, since B3 returns off-switch, B2 won't get an opportunity
StubQueueAllocation(b2, clusterResource, node_0, 1 * Gb, NodeType.NodeLocal);
StubQueueAllocation(b3, clusterResource, node_0, 1 * Gb, NodeType.OffSwitch);
root.AssignContainers(clusterResource, node_0, new ResourceLimits(clusterResource
));
allocationOrder = Org.Mockito.Mockito.InOrder(b3, b2);
allocationOrder.Verify(b3).AssignContainers(Matchers.Eq(clusterResource), Matchers.Any
<FiCaSchedulerNode>(), AnyResourceLimits());
allocationOrder.Verify(b2).AssignContainers(Matchers.Eq(clusterResource), Matchers.Any
<FiCaSchedulerNode>(), AnyResourceLimits());
VerifyQueueMetrics(b2, 1 * Gb, clusterResource);
VerifyQueueMetrics(b3, 3 * Gb, clusterResource);
}
public CapacityHeadroomProvider(LeafQueue.User user, LeafQueue queue, FiCaSchedulerApp
application, Resource required, LeafQueue.QueueResourceLimitsInfo queueResourceLimitsInfo
)
{
this.user = user;
this.queue = queue;
this.application = application;
this.required = required;
this.queueResourceLimitsInfo = queueResourceLimitsInfo;
}
/// <exception cref="System.Exception"/>
public virtual void TestMaxCapacity()
{
CapacitySchedulerConfiguration conf = new CapacitySchedulerConfiguration();
conf.SetQueues(CapacitySchedulerConfiguration.Root, new string[] { "a", "b", "c" }
);
string A = CapacitySchedulerConfiguration.Root + ".a";
conf.SetCapacity(A, 50);
conf.SetMaximumCapacity(A, 60);
string B = CapacitySchedulerConfiguration.Root + ".b";
conf.SetCapacity(B, 50);
conf.SetMaximumCapacity(B, 45);
// Should throw an exception
bool fail = false;
CapacityScheduler capacityScheduler;
try
{
capacityScheduler = new CapacityScheduler();
capacityScheduler.SetConf(new YarnConfiguration());
capacityScheduler.Init(conf);
capacityScheduler.Start();
capacityScheduler.Reinitialize(conf, null);
}
catch (ArgumentException)
{
fail = true;
}
NUnit.Framework.Assert.IsTrue("Didn't throw IllegalArgumentException for wrong maxCap"
, fail);
conf.SetMaximumCapacity(B, 60);
// Now this should work
capacityScheduler = new CapacityScheduler();
capacityScheduler.SetConf(new YarnConfiguration());
capacityScheduler.Init(conf);
capacityScheduler.Start();
capacityScheduler.Reinitialize(conf, null);
fail = false;
try
{
LeafQueue a = (LeafQueue)capacityScheduler.GetQueue(A);
a.SetMaxCapacity(45);
}
catch (ArgumentException)
{
fail = true;
}
NUnit.Framework.Assert.IsTrue("Didn't throw IllegalArgumentException for wrong "
+ "setMaxCap", fail);
capacityScheduler.Stop();
}
internal CapacitySchedulerLeafQueueInfo(LeafQueue q)
: base(q)
{
// To add another level in the XML
numActiveApplications = q.GetNumActiveApplications();
numPendingApplications = q.GetNumPendingApplications();
numContainers = q.GetNumContainers();
maxApplications = q.GetMaxApplications();
maxApplicationsPerUser = q.GetMaxApplicationsPerUser();
userLimit = q.GetUserLimit();
users = new UsersInfo(q.GetUsers());
userLimitFactor = q.GetUserLimitFactor();
AMResourceLimit = new ResourceInfo(q.GetAMResourceLimit());
usedAMResource = new ResourceInfo(q.GetQueueResourceUsage().GetAMUsed());
userAMResourceLimit = new ResourceInfo(q.GetUserAMResourceLimit());
preemptionDisabled = q.GetPreemptionDisabled();
}
public virtual void SetUp()
{
CapacitySchedulerConfiguration csConf = new CapacitySchedulerConfiguration();
YarnConfiguration conf = new YarnConfiguration();
SetupQueueConfiguration(csConf);
rmContext = TestUtils.GetMockRMContext();
CapacitySchedulerContext csContext = Org.Mockito.Mockito.Mock <CapacitySchedulerContext
>();
Org.Mockito.Mockito.When(csContext.GetConfiguration()).ThenReturn(csConf);
Org.Mockito.Mockito.When(csContext.GetConf()).ThenReturn(conf);
Org.Mockito.Mockito.When(csContext.GetMinimumResourceCapability()).ThenReturn(Resources
.CreateResource(Gb, 1));
Org.Mockito.Mockito.When(csContext.GetMaximumResourceCapability()).ThenReturn(Resources
.CreateResource(16 * Gb, 32));
Org.Mockito.Mockito.When(csContext.GetClusterResource()).ThenReturn(Resources.CreateResource
(10 * 16 * Gb, 10 * 32));
Org.Mockito.Mockito.When(csContext.GetApplicationComparator()).ThenReturn(CapacityScheduler
.applicationComparator);
Org.Mockito.Mockito.When(csContext.GetQueueComparator()).ThenReturn(CapacityScheduler
.queueComparator);
Org.Mockito.Mockito.When(csContext.GetResourceCalculator()).ThenReturn(resourceCalculator
);
Org.Mockito.Mockito.When(csContext.GetRMContext()).ThenReturn(rmContext);
RMContainerTokenSecretManager containerTokenSecretManager = new RMContainerTokenSecretManager
(conf);
containerTokenSecretManager.RollMasterKey();
Org.Mockito.Mockito.When(csContext.GetContainerTokenSecretManager()).ThenReturn(containerTokenSecretManager
);
IDictionary <string, CSQueue> queues = new Dictionary <string, CSQueue>();
CSQueue root = CapacityScheduler.ParseQueue(csContext, csConf, null, "root", queues
, queues, TestUtils.spyHook);
queue = Org.Mockito.Mockito.Spy(new LeafQueue(csContext, A, root, null));
// Stub out ACL checks
Org.Mockito.Mockito.DoReturn(true).When(queue).HasAccess(Matchers.Any <QueueACL>()
, Matchers.Any <UserGroupInformation>());
// Some default values
Org.Mockito.Mockito.DoReturn(100).When(queue).GetMaxApplications();
Org.Mockito.Mockito.DoReturn(25).When(queue).GetMaxApplicationsPerUser();
}
public virtual void TestSingleLevelQueues()
{
// Setup queue configs
SetupSingleLevelQueues(csConf);
IDictionary <string, CSQueue> queues = new Dictionary <string, CSQueue>();
CSQueue root = CapacityScheduler.ParseQueue(csContext, csConf, null, CapacitySchedulerConfiguration
.Root, queues, queues, TestUtils.spyHook);
// Setup some nodes
int memoryPerNode = 10;
int coresPerNode = 16;
int numNodes = 2;
FiCaSchedulerNode node_0 = TestUtils.GetMockNode("host_0", DefaultRack, 0, memoryPerNode
* Gb);
FiCaSchedulerNode node_1 = TestUtils.GetMockNode("host_1", DefaultRack, 0, memoryPerNode
* Gb);
Org.Apache.Hadoop.Yarn.Api.Records.Resource clusterResource = Resources.CreateResource
(numNodes * (memoryPerNode * Gb), numNodes * coresPerNode);
Org.Mockito.Mockito.When(csContext.GetNumClusterNodes()).ThenReturn(numNodes);
// Start testing
LeafQueue a = (LeafQueue)queues[A];
LeafQueue b = (LeafQueue)queues[B];
// Simulate B returning a container on node_0
StubQueueAllocation(a, clusterResource, node_0, 0 * Gb);
StubQueueAllocation(b, clusterResource, node_0, 1 * Gb);
root.AssignContainers(clusterResource, node_0, new ResourceLimits(clusterResource
));
VerifyQueueMetrics(a, 0 * Gb, clusterResource);
VerifyQueueMetrics(b, 1 * Gb, clusterResource);
// Now, A should get the scheduling opportunity since A=0G/6G, B=1G/14G
StubQueueAllocation(a, clusterResource, node_1, 2 * Gb);
StubQueueAllocation(b, clusterResource, node_1, 1 * Gb);
root.AssignContainers(clusterResource, node_1, new ResourceLimits(clusterResource
));
InOrder allocationOrder = Org.Mockito.Mockito.InOrder(a, b);
allocationOrder.Verify(a).AssignContainers(Matchers.Eq(clusterResource), Matchers.Any
<FiCaSchedulerNode>(), AnyResourceLimits());
allocationOrder.Verify(b).AssignContainers(Matchers.Eq(clusterResource), Matchers.Any
<FiCaSchedulerNode>(), AnyResourceLimits());
VerifyQueueMetrics(a, 2 * Gb, clusterResource);
VerifyQueueMetrics(b, 2 * Gb, clusterResource);
// Now, B should get the scheduling opportunity
// since A has 2/6G while B has 2/14G
StubQueueAllocation(a, clusterResource, node_0, 1 * Gb);
StubQueueAllocation(b, clusterResource, node_0, 2 * Gb);
root.AssignContainers(clusterResource, node_0, new ResourceLimits(clusterResource
));
allocationOrder = Org.Mockito.Mockito.InOrder(b, a);
allocationOrder.Verify(b).AssignContainers(Matchers.Eq(clusterResource), Matchers.Any
<FiCaSchedulerNode>(), AnyResourceLimits());
allocationOrder.Verify(a).AssignContainers(Matchers.Eq(clusterResource), Matchers.Any
<FiCaSchedulerNode>(), AnyResourceLimits());
VerifyQueueMetrics(a, 3 * Gb, clusterResource);
VerifyQueueMetrics(b, 4 * Gb, clusterResource);
// Now, B should still get the scheduling opportunity
// since A has 3/6G while B has 4/14G
StubQueueAllocation(a, clusterResource, node_0, 0 * Gb);
StubQueueAllocation(b, clusterResource, node_0, 4 * Gb);
root.AssignContainers(clusterResource, node_0, new ResourceLimits(clusterResource
));
allocationOrder = Org.Mockito.Mockito.InOrder(b, a);
allocationOrder.Verify(b).AssignContainers(Matchers.Eq(clusterResource), Matchers.Any
<FiCaSchedulerNode>(), AnyResourceLimits());
allocationOrder.Verify(a).AssignContainers(Matchers.Eq(clusterResource), Matchers.Any
<FiCaSchedulerNode>(), AnyResourceLimits());
VerifyQueueMetrics(a, 3 * Gb, clusterResource);
VerifyQueueMetrics(b, 8 * Gb, clusterResource);
// Now, A should get the scheduling opportunity
// since A has 3/6G while B has 8/14G
StubQueueAllocation(a, clusterResource, node_1, 1 * Gb);
StubQueueAllocation(b, clusterResource, node_1, 1 * Gb);
root.AssignContainers(clusterResource, node_1, new ResourceLimits(clusterResource
));
allocationOrder = Org.Mockito.Mockito.InOrder(a, b);
allocationOrder.Verify(b).AssignContainers(Matchers.Eq(clusterResource), Matchers.Any
<FiCaSchedulerNode>(), AnyResourceLimits());
allocationOrder.Verify(a).AssignContainers(Matchers.Eq(clusterResource), Matchers.Any
<FiCaSchedulerNode>(), AnyResourceLimits());
VerifyQueueMetrics(a, 4 * Gb, clusterResource);
VerifyQueueMetrics(b, 9 * Gb, clusterResource);
}
public virtual void TestHeadroom()
{
CapacitySchedulerConfiguration csConf = new CapacitySchedulerConfiguration();
csConf.SetUserLimit(CapacitySchedulerConfiguration.Root + "." + A, 25);
SetupQueueConfiguration(csConf);
YarnConfiguration conf = new YarnConfiguration();
CapacitySchedulerContext csContext = Org.Mockito.Mockito.Mock <CapacitySchedulerContext
>();
Org.Mockito.Mockito.When(csContext.GetConfiguration()).ThenReturn(csConf);
Org.Mockito.Mockito.When(csContext.GetConf()).ThenReturn(conf);
Org.Mockito.Mockito.When(csContext.GetMinimumResourceCapability()).ThenReturn(Resources
.CreateResource(Gb));
Org.Mockito.Mockito.When(csContext.GetMaximumResourceCapability()).ThenReturn(Resources
.CreateResource(16 * Gb));
Org.Mockito.Mockito.When(csContext.GetApplicationComparator()).ThenReturn(CapacityScheduler
.applicationComparator);
Org.Mockito.Mockito.When(csContext.GetQueueComparator()).ThenReturn(CapacityScheduler
.queueComparator);
Org.Mockito.Mockito.When(csContext.GetResourceCalculator()).ThenReturn(resourceCalculator
);
Org.Mockito.Mockito.When(csContext.GetRMContext()).ThenReturn(rmContext);
// Say cluster has 100 nodes of 16G each
Org.Apache.Hadoop.Yarn.Api.Records.Resource clusterResource = Resources.CreateResource
(100 * 16 * Gb);
Org.Mockito.Mockito.When(csContext.GetClusterResource()).ThenReturn(clusterResource
);
IDictionary <string, CSQueue> queues = new Dictionary <string, CSQueue>();
CapacityScheduler.ParseQueue(csContext, csConf, null, "root", queues, queues, TestUtils
.spyHook);
// Manipulate queue 'a'
LeafQueue queue = TestLeafQueue.StubLeafQueue((LeafQueue)queues[A]);
string host_0 = "host_0";
string rack_0 = "rack_0";
FiCaSchedulerNode node_0 = TestUtils.GetMockNode(host_0, rack_0, 0, 16 * Gb);
string user_0 = "user_0";
string user_1 = "user_1";
RecordFactory recordFactory = RecordFactoryProvider.GetRecordFactory(null);
RMContext rmContext = TestUtils.GetMockRMContext();
RMContext spyRMContext = Org.Mockito.Mockito.Spy(rmContext);
ConcurrentMap <ApplicationId, RMApp> spyApps = Org.Mockito.Mockito.Spy(new ConcurrentHashMap
<ApplicationId, RMApp>());
RMApp rmApp = Org.Mockito.Mockito.Mock <RMApp>();
ResourceRequest amResourceRequest = Org.Mockito.Mockito.Mock <ResourceRequest>();
Org.Apache.Hadoop.Yarn.Api.Records.Resource amResource = Resources.CreateResource
(0, 0);
Org.Mockito.Mockito.When(amResourceRequest.GetCapability()).ThenReturn(amResource
);
Org.Mockito.Mockito.When(rmApp.GetAMResourceRequest()).ThenReturn(amResourceRequest
);
Org.Mockito.Mockito.DoReturn(rmApp).When(spyApps)[(ApplicationId)Matchers.Any()];
Org.Mockito.Mockito.When(spyRMContext.GetRMApps()).ThenReturn(spyApps);
Priority priority_1 = TestUtils.CreateMockPriority(1);
// Submit first application with some resource-requests from user_0,
// and check headroom
ApplicationAttemptId appAttemptId_0_0 = TestUtils.GetMockApplicationAttemptId(0,
0);
FiCaSchedulerApp app_0_0 = new FiCaSchedulerApp(appAttemptId_0_0, user_0, queue,
queue.GetActiveUsersManager(), spyRMContext);
queue.SubmitApplicationAttempt(app_0_0, user_0);
IList <ResourceRequest> app_0_0_requests = new AList <ResourceRequest>();
app_0_0_requests.AddItem(TestUtils.CreateResourceRequest(ResourceRequest.Any, 1 *
Gb, 2, true, priority_1, recordFactory));
app_0_0.UpdateResourceRequests(app_0_0_requests);
// Schedule to compute
queue.AssignContainers(clusterResource, node_0, new ResourceLimits(clusterResource
));
Org.Apache.Hadoop.Yarn.Api.Records.Resource expectedHeadroom = Resources.CreateResource
(10 * 16 * Gb, 1);
NUnit.Framework.Assert.AreEqual(expectedHeadroom, app_0_0.GetHeadroom());
// Submit second application from user_0, check headroom
ApplicationAttemptId appAttemptId_0_1 = TestUtils.GetMockApplicationAttemptId(1,
0);
FiCaSchedulerApp app_0_1 = new FiCaSchedulerApp(appAttemptId_0_1, user_0, queue,
queue.GetActiveUsersManager(), spyRMContext);
queue.SubmitApplicationAttempt(app_0_1, user_0);
IList <ResourceRequest> app_0_1_requests = new AList <ResourceRequest>();
app_0_1_requests.AddItem(TestUtils.CreateResourceRequest(ResourceRequest.Any, 1 *
Gb, 2, true, priority_1, recordFactory));
app_0_1.UpdateResourceRequests(app_0_1_requests);
// Schedule to compute
queue.AssignContainers(clusterResource, node_0, new ResourceLimits(clusterResource
));
// Schedule to compute
NUnit.Framework.Assert.AreEqual(expectedHeadroom, app_0_0.GetHeadroom());
NUnit.Framework.Assert.AreEqual(expectedHeadroom, app_0_1.GetHeadroom());
// no change
// Submit first application from user_1, check for new headroom
ApplicationAttemptId appAttemptId_1_0 = TestUtils.GetMockApplicationAttemptId(2,
0);
FiCaSchedulerApp app_1_0 = new FiCaSchedulerApp(appAttemptId_1_0, user_1, queue,
queue.GetActiveUsersManager(), spyRMContext);
queue.SubmitApplicationAttempt(app_1_0, user_1);
IList <ResourceRequest> app_1_0_requests = new AList <ResourceRequest>();
app_1_0_requests.AddItem(TestUtils.CreateResourceRequest(ResourceRequest.Any, 1 *
Gb, 2, true, priority_1, recordFactory));
app_1_0.UpdateResourceRequests(app_1_0_requests);
// Schedule to compute
queue.AssignContainers(clusterResource, node_0, new ResourceLimits(clusterResource
));
// Schedule to compute
expectedHeadroom = Resources.CreateResource(10 * 16 * Gb / 2, 1);
// changes
NUnit.Framework.Assert.AreEqual(expectedHeadroom, app_0_0.GetHeadroom());
NUnit.Framework.Assert.AreEqual(expectedHeadroom, app_0_1.GetHeadroom());
NUnit.Framework.Assert.AreEqual(expectedHeadroom, app_1_0.GetHeadroom());
// Now reduce cluster size and check for the smaller headroom
clusterResource = Resources.CreateResource(90 * 16 * Gb);
queue.AssignContainers(clusterResource, node_0, new ResourceLimits(clusterResource
));
// Schedule to compute
expectedHeadroom = Resources.CreateResource(9 * 16 * Gb / 2, 1);
// changes
NUnit.Framework.Assert.AreEqual(expectedHeadroom, app_0_0.GetHeadroom());
NUnit.Framework.Assert.AreEqual(expectedHeadroom, app_0_1.GetHeadroom());
NUnit.Framework.Assert.AreEqual(expectedHeadroom, app_1_0.GetHeadroom());
}
public virtual void TestLimitsComputation()
{
CapacitySchedulerConfiguration csConf = new CapacitySchedulerConfiguration();
SetupQueueConfiguration(csConf);
YarnConfiguration conf = new YarnConfiguration();
CapacitySchedulerContext csContext = Org.Mockito.Mockito.Mock <CapacitySchedulerContext
>();
Org.Mockito.Mockito.When(csContext.GetConfiguration()).ThenReturn(csConf);
Org.Mockito.Mockito.When(csContext.GetConf()).ThenReturn(conf);
Org.Mockito.Mockito.When(csContext.GetMinimumResourceCapability()).ThenReturn(Resources
.CreateResource(Gb, 1));
Org.Mockito.Mockito.When(csContext.GetMaximumResourceCapability()).ThenReturn(Resources
.CreateResource(16 * Gb, 16));
Org.Mockito.Mockito.When(csContext.GetApplicationComparator()).ThenReturn(CapacityScheduler
.applicationComparator);
Org.Mockito.Mockito.When(csContext.GetQueueComparator()).ThenReturn(CapacityScheduler
.queueComparator);
Org.Mockito.Mockito.When(csContext.GetResourceCalculator()).ThenReturn(resourceCalculator
);
Org.Mockito.Mockito.When(csContext.GetRMContext()).ThenReturn(rmContext);
// Say cluster has 100 nodes of 16G each
Org.Apache.Hadoop.Yarn.Api.Records.Resource clusterResource = Resources.CreateResource
(100 * 16 * Gb, 100 * 16);
Org.Mockito.Mockito.When(csContext.GetClusterResource()).ThenReturn(clusterResource
);
IDictionary <string, CSQueue> queues = new Dictionary <string, CSQueue>();
CSQueue root = CapacityScheduler.ParseQueue(csContext, csConf, null, "root", queues
, queues, TestUtils.spyHook);
LeafQueue queue = (LeafQueue)queues[A];
Log.Info("Queue 'A' -" + " AMResourceLimit=" + queue.GetAMResourceLimit() + " UserAMResourceLimit="
+ queue.GetUserAMResourceLimit());
NUnit.Framework.Assert.AreEqual(queue.GetAMResourceLimit(), Org.Apache.Hadoop.Yarn.Api.Records.Resource
.NewInstance(160 * Gb, 1));
NUnit.Framework.Assert.AreEqual(queue.GetUserAMResourceLimit(), Org.Apache.Hadoop.Yarn.Api.Records.Resource
.NewInstance(80 * Gb, 1));
NUnit.Framework.Assert.AreEqual((int)(clusterResource.GetMemory() * queue.GetAbsoluteCapacity
()), queue.GetMetrics().GetAvailableMB());
// Add some nodes to the cluster & test new limits
clusterResource = Resources.CreateResource(120 * 16 * Gb);
root.UpdateClusterResource(clusterResource, new ResourceLimits(clusterResource));
NUnit.Framework.Assert.AreEqual(queue.GetAMResourceLimit(), Org.Apache.Hadoop.Yarn.Api.Records.Resource
.NewInstance(192 * Gb, 1));
NUnit.Framework.Assert.AreEqual(queue.GetUserAMResourceLimit(), Org.Apache.Hadoop.Yarn.Api.Records.Resource
.NewInstance(96 * Gb, 1));
NUnit.Framework.Assert.AreEqual((int)(clusterResource.GetMemory() * queue.GetAbsoluteCapacity
()), queue.GetMetrics().GetAvailableMB());
// should return -1 if per queue setting not set
NUnit.Framework.Assert.AreEqual((int)CapacitySchedulerConfiguration.Undefined, csConf
.GetMaximumApplicationsPerQueue(queue.GetQueuePath()));
int expectedMaxApps = (int)(CapacitySchedulerConfiguration.DefaultMaximumSystemApplicatiions
* queue.GetAbsoluteCapacity());
NUnit.Framework.Assert.AreEqual(expectedMaxApps, queue.GetMaxApplications());
int expectedMaxAppsPerUser = (int)(expectedMaxApps * (queue.GetUserLimit() / 100.0f
) * queue.GetUserLimitFactor());
NUnit.Framework.Assert.AreEqual(expectedMaxAppsPerUser, queue.GetMaxApplicationsPerUser
());
// should default to global setting if per queue setting not set
NUnit.Framework.Assert.AreEqual((long)CapacitySchedulerConfiguration.DefaultMaximumApplicationmastersResourcePercent
, (long)csConf.GetMaximumApplicationMasterResourcePerQueuePercent(queue.GetQueuePath
()));
// Change the per-queue max AM resources percentage.
csConf.SetFloat("yarn.scheduler.capacity." + queue.GetQueuePath() + ".maximum-am-resource-percent"
, 0.5f);
// Re-create queues to get new configs.
queues = new Dictionary <string, CSQueue>();
root = CapacityScheduler.ParseQueue(csContext, csConf, null, "root", queues, queues
, TestUtils.spyHook);
clusterResource = Resources.CreateResource(100 * 16 * Gb);
queue = (LeafQueue)queues[A];
NUnit.Framework.Assert.AreEqual((long)0.5, (long)csConf.GetMaximumApplicationMasterResourcePerQueuePercent
(queue.GetQueuePath()));
NUnit.Framework.Assert.AreEqual(queue.GetAMResourceLimit(), Org.Apache.Hadoop.Yarn.Api.Records.Resource
.NewInstance(800 * Gb, 1));
NUnit.Framework.Assert.AreEqual(queue.GetUserAMResourceLimit(), Org.Apache.Hadoop.Yarn.Api.Records.Resource
.NewInstance(400 * Gb, 1));
// Change the per-queue max applications.
csConf.SetInt("yarn.scheduler.capacity." + queue.GetQueuePath() + ".maximum-applications"
, 9999);
// Re-create queues to get new configs.
queues = new Dictionary <string, CSQueue>();
root = CapacityScheduler.ParseQueue(csContext, csConf, null, "root", queues, queues
, TestUtils.spyHook);
queue = (LeafQueue)queues[A];
NUnit.Framework.Assert.AreEqual(9999, (int)csConf.GetMaximumApplicationsPerQueue(
queue.GetQueuePath()));
NUnit.Framework.Assert.AreEqual(9999, queue.GetMaxApplications());
expectedMaxAppsPerUser = (int)(9999 * (queue.GetUserLimit() / 100.0f) * queue.GetUserLimitFactor
());
NUnit.Framework.Assert.AreEqual(expectedMaxAppsPerUser, queue.GetMaxApplicationsPerUser
());
}